<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=673468
-->
<window title="Mozilla Bug "
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

  <!-- test results are displayed in the html:body -->
  <body xmlns="http://www.w3.org/1999/xhtml">
  <a id="testelem" href="https://bugzilla.mozilla.org/show_bug.cgi?id="
     target="_blank">Mozilla Bug 673468</a>
  </body>

  <!-- test code goes here -->
  <script type="application/javascript">
  <![CDATA[
  /** Test for Bug 673468 **/

  let Cc = Components.classes;
  let Cu = Components.utils;
  let Ci = Components.interfaces;

  SpecialPowers.DOMWindowUtils.garbageCollect();

  let get_live_dom = function () {
    return document.getElementById("testelem");
  };

  let wrappers_as_keys_test = function () {
    let e = new MessageEvent("foo", { bubbles: false, cancellable: false,
                                      data: { dummy: document.createElement("foo") }});
    window.eeeevent = e;

    let live_dom = e.data.dummy;
    let dead_dom = document.createElement("div");
    let dead_child = document.createElement("div");
    dead_dom.appendChild(dead_child);
    is(dead_dom.children.length, 1, "children have wrong length");
    let wrappee = new Object();

    dead_dom.abcxyz = wrappee;

    let system = Cc["@mozilla.org/systemprincipal;1"].createInstance();
    let sandbox = Cu.Sandbox(system);

    sandbox.wrapper = wrappee;
    sandbox.value = dead_dom;
    let map = Cu.evalInSandbox("wm = new WeakMap(); wm.set(wrapper, value); wm", sandbox);
    sandbox.wrapper = null;
    sandbox.value = null;

    live_dom.xyzabc = {wrappee: wrappee, m: map, sb: sandbox};

    let key = ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(map)[0];
    let value = map.get(key);
    is(value.children.length, 1, "children have wrong length");
  }

  wrappers_as_keys_test();

  let check_wrappers_as_keys = function () {
    let live_dom = window.eeeevent.data.dummy;
    let live_map = live_dom.xyzabc.m;
    let sandbox = live_dom.xyzabc.sb;
    is(ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(live_map).length, 1,
      "Map should not be empty.");
    let key = ThreadSafeChromeUtils.nondeterministicGetWeakMapKeys(live_map)[0];
    let value = live_map.get(key);
    is(value.children.length, 1, "children have wrong length");
  }

  Cu.schedulePreciseGC(function () {
    SpecialPowers.DOMWindowUtils.cycleCollect();
    SpecialPowers.DOMWindowUtils.garbageCollect();

    check_wrappers_as_keys();
  });

  ]]>
  </script>
</window>
